﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using FinancialManagement.Models;
using System.Web.Security;
using FinancialManagement.Models.Repository;

namespace FinancialManagement.Controllers
{
    public class AccountController : Controller
    {
        private AccountRepository repository = new AccountRepository();
        //
        // GET: /Account/LogOn

        public ActionResult LogOn()
        {
            return View();
        }

        //
        // POST: /Account/LogOn

        [HttpPost]
        public ActionResult LogOn(LogOnModel model, string returnUrl)
        {
            var canBudget = Utils.Util.IsInputDateIncludeOthers(Utils.Util.RevenueType.Budget);
            var canActual = Utils.Util.IsInputDateIncludeOthers(Utils.Util.RevenueType.Actual);

            Session["canBudget"] = canBudget;
            Session["canActual"] = canActual;

            if (ModelState.IsValid)
            {
                if (ValidateUser(model.UserName, model.Password))
                {
                    FormsAuthentication.SetAuthCookie(model.UserName, model.RememberMe);
                    if (Url.IsLocalUrl(returnUrl) && returnUrl.Length > 1 && returnUrl.StartsWith("/")
                        && !returnUrl.StartsWith("//") && !returnUrl.StartsWith("/\\"))
                    {
                        return Redirect(returnUrl);
                    }
                    else
                    {
                        return RedirectToAction("Index", "Home");
                    }
                }
                else
                {
                    ModelState.AddModelError("", "用户名或密码错误！");
                }
            }

            // If we got this far, something failed, redisplay form
            return View(model);
        }

        private bool ValidateUser(string username, string password)
        {
            bool flag = false;
            try
            {
                flag = repository.IsUserExist(username, password);
            }
            catch (Exception)
            {
                flag = false;
            }

            return flag;
        }

        //
        // GET: /Account/LogOff

        public ActionResult LogOff()
        {
            FormsAuthentication.SignOut();

            return RedirectToAction("LogOn", "Account");
        }


        //
        // GET: /Account/ChangePassword

        [Authorize]
        public ActionResult ChangePassword()
        {
            var isFinancial = repository.GetRoleAdminByUserID(User.Identity.Name);
            ViewData["admin"] = isFinancial;

            ViewData["UserName"] = repository.GetUserNameByUserID(User.Identity.Name);


            return View();
        }

        //
        // POST: /Account/ChangePassword

        [Authorize]
        [HttpPost]
        public ActionResult ChangePassword(ChangePasswordModel model)
        {
            if (ModelState.IsValid)
            {

                // ChangePassword will throw an exception rather
                // than return false in certain failure scenarios.
                bool changePasswordSucceeded = true;
                try
                {
                    changePasswordSucceeded = repository.ChangePassword(User.Identity.Name, model);
                }
                catch (Exception)
                {
                    changePasswordSucceeded = false;
                }

                if (changePasswordSucceeded)
                {
                    return RedirectToAction("ChangePasswordSuccess");
                }
                else
                {
                    ModelState.AddModelError("", "当前密码错误或新密码不合法！");
                }
            }

            // If we got this far, something failed, redisplay form
            return View(model);
        }

        //
        // GET: /Account/ChangePasswordSuccess

        public ActionResult ChangePasswordSuccess()
        {
            return View();
        }

        #region Status Codes
        private static string ErrorCodeToString(MembershipCreateStatus createStatus)
        {
            // See http://go.microsoft.com/fwlink/?LinkID=177550 for
            // a full list of status codes.
            switch (createStatus)
            {
                case MembershipCreateStatus.DuplicateUserName:
                    return "User name already exists. Please enter a different user name.";

                case MembershipCreateStatus.DuplicateEmail:
                    return "A user name for that e-mail address already exists. Please enter a different e-mail address.";

                case MembershipCreateStatus.InvalidPassword:
                    return "The password provided is invalid. Please enter a valid password value.";

                case MembershipCreateStatus.InvalidEmail:
                    return "The e-mail address provided is invalid. Please check the value and try again.";

                case MembershipCreateStatus.InvalidAnswer:
                    return "The password retrieval answer provided is invalid. Please check the value and try again.";

                case MembershipCreateStatus.InvalidQuestion:
                    return "The password retrieval question provided is invalid. Please check the value and try again.";

                case MembershipCreateStatus.InvalidUserName:
                    return "The user name provided is invalid. Please check the value and try again.";

                case MembershipCreateStatus.ProviderError:
                    return "The authentication provider returned an error. Please verify your entry and try again. If the problem persists, please contact your system administrator.";

                case MembershipCreateStatus.UserRejected:
                    return "The user creation request has been canceled. Please verify your entry and try again. If the problem persists, please contact your system administrator.";

                default:
                    return "An unknown error occurred. Please verify your entry and try again. If the problem persists, please contact your system administrator.";
            }
        }
        #endregion

    }
}
